Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 8.34
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -10.65 -0.375 3.99
Prot (kg) -8.61 -0.441 3.80
Fertility Sub Index -3.93
Calving Interval (days) 2.86 -1.459 -4.17
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index -2.98
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 7.03 -0.432 -3.03
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index -1.78

* Based on an €80/tonne carbon price